From 47086570973e82fe5ea8ace9637ae73c2469e1da Mon Sep 17 00:00:00 2001
From: Richard Sandiford <rsandifo@linux.vnet.ibm.com>
Date: Tue, 1 Oct 2013 13:10:16 +0000
Subject: [SystemZ] Allow selects with a high-word destination

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191751 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/SystemZ/SystemZISelLowering.cpp | 1 +
 lib/Target/SystemZ/SystemZInstrInfo.td     | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/Target/SystemZ')

diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index cb0f445..46824e6 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -2874,6 +2874,7 @@ SystemZTargetLowering::emitStringWrapper(MachineInstr *MI,
 MachineBasicBlock *SystemZTargetLowering::
 EmitInstrWithCustomInserter(MachineInstr *MI, MachineBasicBlock *MBB) const {
   switch (MI->getOpcode()) {
+  case SystemZ::Select32Mux:
   case SystemZ::Select32:
   case SystemZ::SelectF32:
   case SystemZ::Select64:
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 0022926..ac1ca3c 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -198,8 +198,9 @@ let Defs = [CC] in {
 // Select instructions
 //===----------------------------------------------------------------------===//
 
-def Select32 : SelectWrapper<GR32>;
-def Select64 : SelectWrapper<GR64>;
+def Select32Mux : SelectWrapper<GRX32>, Requires<[FeatureHighWord]>;
+def Select32    : SelectWrapper<GR32>;
+def Select64    : SelectWrapper<GR64>;
 
 defm CondStore8  : CondStores<GR32, nonvolatile_truncstorei8,
                               nonvolatile_anyextloadi8, bdxaddr20only>;
-- 
cgit v1.1